Organoboron molecules and polymers for organic solar cell applications

Organic solar cells (OSCs) are emerging as a new photovoltaic technology with the great advantages of low cost, light-weight, flexibility and semi-transparency. They are promising for portable energy-conversion products and building-integrated photovoltaics. Organoboron chemistry offers an important...

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Published inChemical Society reviews Vol. 51; no. 1; pp. 153 - 187
Main Authors Miao, Junhui, Wang, Yinghui, Liu, Jun, Wang, Lixiang
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 04.01.2022
Subjects
Building envelopes
Donors (electronic)
Electrons
Energy conversion efficiency
Optoelectronic devices
Organic chemistry
Photovoltaic cells
Polymers
Solar cells
Solar Energy
Weight reduction
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Summary:Organic solar cells (OSCs) are emerging as a new photovoltaic technology with the great advantages of low cost, light-weight, flexibility and semi-transparency. They are promising for portable energy-conversion products and building-integrated photovoltaics. Organoboron chemistry offers an important toolbox to design novel organic/polymer optoelectronic materials and to tune their optoelectronic properties for OSC applications. At present, organoboron small molecules and polymers have become an important class of organic photovoltaic materials. Power conversion efficiencies (PCEs) of 16% and 14% have been realized with organoboron polymer electron donors and electron acceptors, respectively. In this review, we summarize the research progress in various kinds of organoboron photovoltaic materials for OSC applications, including organoboron small molecular electron donors, organoboron small molecular electron acceptors, organoboron polymer electron donors and organoboron polymer electron acceptors. This review also discusses how to tune their opto-electronic properties and active layer morphology for enhancing OSC device performance. We also offer our insight into the opportunities and challenges in improving the OSC device performance of organoboron photovoltaic materials. This review summarizes the research progress in organoboron small molecules and polymers as photoactive materials for organic solar cells.
Bibliography:Yinghui Wang received her BS degree from Zhengzhou University (China) in 2018. She is now a PhD student under the supervision of Prof. Jun Liu, in CIAC, CAS. Her research topic is organoboron polymer for organic solar cell applications.
Lixiang Wang received his PhD degree from CIAC, CAS, in 1989. During 1994-1997, he was a postdoctoral researcher at Max Planck Institute for Polymer Research (Germany) and University of Massachusetts Amherst (USA). Since 1997, he has been a principal investigator in CIAC. His main research interests focus on solution-processable dendrimers/polymers for organic light-emitting diodes, chemical sensors and polymer solar cells.
Junhui Miao received his PhD degree from Changchun Institute of Applied Chemistry (CIAC), Chinese Academy of Sciences (CAS), in 2020. Now he is an assistant researcher in Professor Jun Liu's group in State Key Laboratory of Polymer Physics and Chemistry at CIAC. His research interest is focused on organic photovoltaic materials.
Jun Liu received his PhD degree in Polymer Physics and Chemistry in 2007 from CIAC, CAS. After postdoctoral training at the University of Würzburg (Germany), University of California, Los Angeles (USA), and Case Western Reserve University (USA) for five years, he joined CIAC as a principal investigator in 2013. His main research interests are organic/polymer opto-electronic materials and polymer solar cells.
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ISSN:0306-0012
1460-4744
DOI:10.1039/d1cs00974e